442224112 has 20 divisors (see below), whose sum is σ = 934701336. Its totient is φ = 201010880.

The previous prime is 442224109. The next prime is 442224113. The reversal of 442224112 is 211422244.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442224113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1256143 + ... + 1256494.

Almost surely, 2^442224112 is an apocalyptic number.

It is an amenable number.

442224112 is an abundant number, since it is smaller than the sum of its proper divisors (492477224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442224112 is a wasteful number, since it uses less digits than its factorization.

442224112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512656 (or 2512650 counting only the distinct ones).

The product of its digits is 1024, while the sum is 22.

The square root of 442224112 is about 21029.1253265560. The cubic root of 442224112 is about 761.8698831523.

Adding to 442224112 its reverse (211422244), we get a palindrome (653646356).

The spelling of 442224112 in words is "four hundred forty-two million, two hundred twenty-four thousand, one hundred twelve".